Home / 19,450.19-26,839.66-10,949.60

Finding the Fourth Proportional to 19,450.19, 26,839.66 and 10,949.60

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Solution

The fourth proportional to 19,450.19, 26,839.66 and 10,949.60 is: 15,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,450.19 : 26,839.66 = 10,949.60 : x
  2. Step 2: Convert to fraction form
    19,450.19/26,839.66 = 10,949.60/x
  3. Step 3: Cross multiply
    19,450.19x = 26,839.66 × 10,949.60
  4. Step 4: Simplify right side
    19,450.19x = 293,883,541.14
  5. Step 5: Solve for x
    x = 293,883,541.14/19,450.19
  6. Step 6: Final answer
    x = 15,109.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.